Finding the Fourth Proportional to 118,276,083.20, 177,414,124.80 and 57,730,649.60
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Solution
The fourth proportional to 118,276,083.20, 177,414,124.80 and 57,730,649.60 is: 86,595,974.40
Step by Step Solution
- Step 1: Write the proportion equation
118,276,083.20 : 177,414,124.80 = 57,730,649.60 : x - Step 2: Convert to fraction form
118,276,083.20/177,414,124.80 = 57,730,649.60/x - Step 3: Cross multiply
118,276,083.20x = 177,414,124.80 × 57,730,649.60 - Step 4: Simplify right side
118,276,083.20x = 10,242,232,672,919,472 - Step 5: Solve for x
x = 10,242,232,672,919,472/118,276,083.20 - Step 6: Final answer
x = 86,595,974.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.